Ruth Marcus: Palin Don't Preach

washingtonpost.com — Bristol Palin's pregnancy may be the ultimate teachable moment. It just might not be the lesson that John McCain intended. My first thought on hearing the news was: What was Sarah Palin thinking? Assuming, as the campaign says, that she knew about her 17-year-old's pregnancy and informed McCain in advance, how could she expose her daughter to this? Sep 2, 2008 View in Crawl 4